你即將離開本站

並前往http://www.modernstatisticswithr.com/messychapter.html

5 Dealing with messy data | Modern Statistics with R

handkerchief column of your data frame. Use grep to find out how many rows of the Italian.handkerchief column that contain numbers. Find a ...

確定！ 回上一頁

查詢 「R grep data frame」的人也找了：

  1. Grep
    2.
  2. r grepl column
    3.
  3. R grep multiple patterns
    4.
  4. R select grep
    5.
  5. R filter grepl
    6.
  6. R filter dataframe
    7.
  7. R grep not match
    8.
  8. R Which dataframe
    9.